. >>> the city of oakland suing the federal government over medical marijuana. the suit is aimed at stopping the feds from shutting down one of oakland's largest pot dispensaries. it claims federal officials promised not to raid dispensaries that follow state law and that shutting down the facility would send patients to the black market. >>> another suit in the news is a move to stop at least part of the central subway under construction here in san francisco. the suit says it's against the city charter to use union square for an entrance to that subway. today federal officials are expected to announce nearly a $1 billion federal for that subway project. >>> time now 4:41. hope to heartbreak. a body is found during the search for a missing colorado girl. >> plus, are we throwing away expired medications too soon? the results of a new ucsf study. >> and the bizarre chase through the streets of oakland when we come back. ,,,,,,,,,,,,,, weaved in and out of traffi, ed up on sidewalks, >>> cameras catch a joyride through oakland on an atv. for several minutes this